The Define R4 is the latest addition to Fractal Design's Define Series of computer cases. Available in in Black Pearl, Titanium Grey, and Arctic White, it is capable of accommodating up to 8 HDDs, modern graphics card sizes, and offer multiple ventilation options including two standard Silent Series R2 hydraulic bearing fans.

Incorporating a 90-degree rotated side panel with a latched handle for easy access to core system components, the HAF XM offers support for liquid cooling and includes a non-slip rubber pad on top for placing personal belongings.

With support ranging from Mini-ITX to HPTX motherboards, the 5 models come with an I/O panel on top of the chassis that includes two USB 3.0 ports, two USB 2.0 ports, and gold plated audio input/output with anti-jamming capabilities.